| article html file updated | 11 February 2020 03:35 CET | Update | https://www.mdpi.com/2410-3896/3/4/49 |
| article html file updated | 12 October 2019 01:25 CEST | Update | N/A |
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| article html file updated | 28 December 2018 04:25 CET | Update | N/A |
| article html file updated | 17 December 2018 07:33 CET | Original file | N/A |
| article pdf uploaded. | 17 December 2018 07:32 CET | Version of Record | https://www.mdpi.com/2410-3896/3/4/49/pdf |
| article xml uploaded. | 17 December 2018 07:32 CET | Update | https://www.mdpi.com/2410-3896/3/4/49/xml |
| article xml file uploaded | 17 December 2018 07:32 CET | Original file | N/A |